$8,644.99
In stock ready to ship
Engines & Transmissions
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SKU 5fc5d151ee02
Crate Engines$6,994.89
Freight and taxes calculated at checkout
In stock · ready to ship
30 days on used engines, transmissions and ECUs
Commercial use may carry a shorter period than pleasure use.
Warranty termsFreight — heavy / crated — from $599. Ships in 1–3 business days, 3–10 business days in transit.
Freight damage must be noted on the delivery receipt and reported within 48 hours of delivery.
Shipping rates30-day return window · 25% restocking fee plus freight both ways.
Engines or transmissions that have been disassembled or parted out cannot be returned.
Full policySecure card payment via Stripe. A deposit holds an item for 15 days.
Some engines and transmissions carry a refundable core charge, shown on the product page where it applies.
Payment termsCatalogue data
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In the seller's words
The Chevrolet Performance 6.6L 400 C.I.D. Duramax Diesel Remanufactured Long Block Crate Engine (97779462) is a remanufactured high-torque diesel engine designed for maximum reliability in heavy-duty applications. Featuring a cast-iron block and high-flow aluminum cylinder heads, this long block assembly is ideal for diesel truck owners looking for a high-quality, factory-spec replacement engine. With a proven design and factory-grade internals, this Duramax crate engine ensures long-lasting power and efficiency.
A workhorse diesel engine built for durability, towing power, and efficiency!
⚠️ Requires a compatible fuel system, ECU, and external components for installation.
✅ Fully Assembled 6.6L Duramax Diesel Engine – Built for heavy-duty applications
✅ OEM-Spec Cylinder Heads – Provides improved airflow and durability
✅ Factory-Installed Intake Manifold & Fuel Injection System – Delivers efficient power and fuel economy
✅ OEM Oil Pan, Timing Cover, and Valve Covers – Ensures seamless compatibility with existing components
✅ Water Pump & Harmonic Balancer Installed – Reduces vibrations and improves cooling performance
⚠️ EXCLUDES turbocharger, fuel injectors, ECU, exhaust manifold, and wiring harness.
| Feature | Details |
|---|---|
| Brand | Chevrolet Performance |
| Manufacturer’s Part # | 97779462 |
| Product Type | Remanufactured Long Block Crate Engine |
| Summit Racing Part # | NAL-97779462 |
| Crate Engine Family | Duramax Diesel |
| Actual Displacement | 6.6L / 400 C.I.D |
| Assembled? | ✅ Yes |
| Engine Block Material | Cast Iron |
| Cylinder Head Material | Aluminum |
| Engine Balance | Internal |
| Compression Ratio | Factory-Spec |
| Camshaft Type | Diesel-Specific |
| Rear Main Seal Style | 1-Piece |
| Induction System | Fuel Injection |
| Intake Manifold Included? | ✅ Yes |
| Throttle Body Included? | ❌ No |
| Distributor Included? | ❌ No |
| Oil Pan Included? | ✅ Yes |
| Valve Covers Included? | ✅ Yes |
| Timing Cover Included? | ✅ Yes |
| Water Pump Included? | ✅ Yes |
| Harmonic Balancer Included? | ✅ Yes |
| Flexplate Included? | ❌ No |
| Flywheel Included? | ❌ No |
| Air Cleaner Included? | ❌ No |
| Spark Plugs Included? | ❌ Not Required (Diesel) |
| Spark Plug Wires Included? | ❌ Not Required (Diesel) |
| Computer Included? | ❌ No |
| Wiring Harness Included? | ❌ No |
| Supercharger Included? | ❌ No |
| Quantity | Sold Individually |
Designed for Duramax diesel trucks, fleet vehicles, and heavy-duty applications!
✔ Direct replacement for GM trucks equipped with a 6.6L Duramax Diesel engine
✔ Perfect for heavy-duty towing, fleet vehicles, and work trucks
✔ Compatible with OEM and aftermarket Duramax performance upgrades
Ensure proper fuel system and ECU compatibility before installation!
Professional Installation Recommended – Ensures correct fitment and peak performance
⚙️ Requires Fuel System, ECU, and Turbocharger – Not included with the long block
Designed for Heavy-Duty Use – Ideal for trucks, towing applications, and fleet vehicles
⚠️ Not emissions-certified—verify compatibility with local regulations before ordering.
What vehicles is this engine compatible with?
Does this engine come with a turbocharger?
Can I install this engine myself?
What fuel does this engine require?
Is this engine covered under warranty?
Restore your truck’s power with this heavy-duty Duramax diesel engine!
✔ OEM-Quality Duramax Diesel for Heavy-Duty Trucks & Work Vehicles
✔ Built for Reliability, Fuel Efficiency, and High Torque Output
✔ Factory-Spec Remanufacturing for Long-Term Durability
✔ Ideal for Fleet Vehicles, Towing, and Off-Road Applications
ORDER NOW & GET YOUR TRUCK BACK TO WORK!
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